2026-10-16
- documents
- 64,385
- pages
- 230,888
- size
- 41.6 GB
- added
- 40,757
- removed
- 0
- changed
- 0
Recorded changes
- added
NYC-WTC_000187631
Internal routing form from the NYC Department of Environmental Protection for processing and certification of World Trade Center documents.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000187632
Blank or partially filled asbestos permit application form from the New York City Department of Environmental Protection.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000187633
Chain of custody form for asbestos bulk samples collected at a WTC site in February 2007 for laboratory analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000187634
Chain of custody form for asbestos bulk samples collected at a WTC site in February 2007 for laboratory analysis.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000187635
Laboratory report from Enviroscience showing asbestos analysis results for World Trade Center samples dated February 27, 2002.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000187636
Chain of custody document tracking asbestos bulk samples collected at a Manhattan location for the DEP Asbestos and Lead Control Program.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000187637 – NYC-WTC_000187638
Polarized light microscopy point count results for World Trade Center samples performed by EMSL Analytical on February 26, 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000187639 – NYC-WTC_000187640
Polarized light microscopy point count results for World Trade Center samples performed by EMSL Analytical on February 26, 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000187641
Form for bulk asbestos analysis results submitted to the Bureau of Asbestos Control Program in Corona, NY.
Environmental Protection, Dept. of · 1 pages
- added
NYC-WTC_000187642 – NYC-WTC_000187643
Polarized light microscopy point count results for World Trade Center samples performed by EMSL Analytical on February 26, 2002.
Environmental Protection, Dept. of · 2 pages
- added
NYC-WTC_000187644
Chain of custody document for samples submitted to PSC Analytical Services by the Department of Education on February 26, 2002.
Education, Dept. of · 1 pages
- added
NYC-WTC_000187645 – NYC-WTC_000187648
Field report from ATC Associates documenting indoor air quality measurements at PS150M on February 26, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187649 – NYC-WTC_000187652
Field report from ATC Associates documenting indoor air quality measurements at PS150M on February 26, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187653 – NYC-WTC_000187656
Field report from ATC Associates documenting indoor air quality measurements at PS150M on February 26, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187657 – NYC-WTC_000187660
Field report from ATC Associates documenting indoor air quality measurements at PS150M on February 26, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187661 – NYC-WTC_000187664
Field report from ATC Associates documenting indoor air quality measurements at PS150M on March 26, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187665 – NYC-WTC_000187668
Cover letter from ATC Associates submitting an indoor air quality assessment report for PS150M collected on March 25, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187669 – NYC-WTC_000187672
Field report from ATC Associates documenting indoor air quality measurements at PS150M on February 26, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187673 – NYC-WTC_000187676
Cover letter from ATC Associates submitting an indoor air quality assessment report for PS150M collected on March 19, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187677 – NYC-WTC_000187680
Cover letter from ATC Associates submitting an indoor air quality assessment report for PS150M collected on March 18, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187681 – NYC-WTC_000187684
Field report from ATC Associates documenting indoor air quality measurements at PS150M on February 26, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187685 – NYC-WTC_000187688
Cover letter from ATC Associates submitting an indoor air quality assessment report for PS150M collected on March 13, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187689 – NYC-WTC_000187692
Cover letter from ATC Associates submitting an indoor air quality assessment report for PS150M collected on March 5, 2002.
Education, Dept. of · 4 pages
- added
NYC-WTC_000187693 – NYC-WTC_000187694
Cover letter from ATC Associates submitting a report on air sampling for metals conducted at PS150M in late January and early February 2002.
Education, Dept. of · 2 pages
- added
NYC-WTC_000187695
Draft appendix listing federal air quality standards for pollutants like CO, NO2, Ozone, Lead, and PM10.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000187696
Document displaying the New York State Department of Environmental Conservation air quality index and pollutant level thresholds for general health effects.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000187697 – NYC-WTC_000187702
Draft report of NYC DOH air monitoring data from Fresh Kills Landfill showing fiber counts below detection limits.
Health and Mental Hygiene, Dept. of · 6 pages
- added
NYC-WTC_000187703
Agenda for a hearing on lower Manhattan air quality scheduled for January 25, 2002, covering completed work and inter-agency initiatives.
Health and Mental Hygiene, Dept. of · 1 pages
- added
NYC-WTC_000187704 – NYC-WTC_000187706
Summary of OSHA sampling results from the financial district and rubble pile showing asbestos levels below exposure limits.
Health and Mental Hygiene, Dept. of · 3 pages
- added
NYC-WTC_000187707
Summary of OSHA air sampling results for particulate matter collected at multiple areas in Staten Island on November 14, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187708 – NYC-WTC_000187709
Summary of ATC air samples at the World Trade Center site noting a few instances where lead and quartz exceeded limits.
Sanitation, Dept. of · 2 pages
- added
NYC-WTC_000187710 – NYC-WTC_000187712
Weekly summary of WTC site air samples showing several instances where quartz concentrations exceeded occupational exposure limits.
Sanitation, Dept. of · 3 pages
- added
NYC-WTC_000187713
Weekly summary report from ATC Associates detailing particulate sampling results and percentage of samples exceeding OELs.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187714
Summary of OSHA air sampling results for particulate matter collected at various areas and personal samples in Staten Island on December 19, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187715 – NYC-WTC_000187716
Summary of personnel exposure monitoring at the Staten Island landfill showing zero samples above OSHA PELs for asbestos.
Sanitation, Dept. of · 2 pages
- added
NYC-WTC_000187717 – NYC-WTC_000187718
Air sample data summary from inside the exclusion zone at the Staten Island landfill showing one excursion above OSHA PEL.
Sanitation, Dept. of · 2 pages
- added
NYC-WTC_000187719
Labor department record listing job titles and air sampling results for asbestos and silica exposure levels at a state office campus.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187720
Laboratory data sheet listing organic compound analysis results including benzene and other contaminants.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187721
Interim NIOSH report on bulk samples of asbestos, quartz, and metals collected near the debris pile on September 19, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187722
Interim NIOSH report on air samples for metals, respirable dust, and total dust collected near the debris pile on September 30, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187723
Interim NIOSH report on air samples for carbon monoxide and crystalline silica collected near the debris pile on September 26, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187724
Interim NIOSH report detailing bulk samples of asbestos, quartz, and metals collected near the debris pile on September 19, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000187725 – NYC-WTC_000187867
Research report prepared for the Department of Transportation analyzing the relationship between land values and transit access in NYC.
Transportation, Dept. of · 143 pages
- added
NYC-WTC_000187868 – NYC-WTC_000187869
Daily environmental safety evaluation report for the WTC site noting PPE issues, fall protection gaps, and structural cracks.
Transportation, Dept. of · 2 pages
- added
NYC-WTC_000187870 – NYC-WTC_000187871
Summary of OSHA air monitoring results for asbestos and noise at the World Trade Center site as of November 16, 2001.
Transportation, Dept. of · 2 pages
- added
NYC-WTC_000187873
Table of asbestos air sampling results using PCM and TEM methods at the World Trade Center site for September 22-23, 2001.
Fire Department · 1 pages
- added
NYC-WTC_000187874
Summary table of dioxin and furan analytical results from air samples collected at various World Trade Center locations in September and October 2001.
Fire Department · 1 pages
- added
NYC-WTC_000187875 – NYC-WTC_000187876
List of bulk sample analysis results for asbestos content from various World Trade Center locations collected in September and October 2001.
Fire Department · 2 pages
- added
NYC-WTC_000187877
Chain of custody documentation for solid samples collected at the World Trade Center site in September 2001 for environmental analysis.
Fire Department · 1 pages
- added
NYC-WTC_000187878
Table of analytical results for polychlorinated dibenzodioxins and furans in water samples collected at the World Trade Center site.
Fire Department · 1 pages
- added
NYC-WTC_000187879 – NYC-WTC_000187880
FEMA project worksheet detailing air monitoring stations and testing schedules established at a New York City school in early 2002.
Emergency Management, Office of · 2 pages
- added
NYC-WTC_000187881 – NYC-WTC_000187997
Invoice from Nextel for telecommunications services covering the billing period of September 13 to October 12, 2002.
Design and Construction, Dept. of · 117 pages
- added
NYC-WTC_000187998
Daily work force report from Grace Contracting Corp. dated January 20, 2002, listing labor classifications and equipment at the World Trade Center site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000187999
Report of grout compressive strength testing results for specimens cast on February 8, 2002, at World Trade Center piers.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188000 – NYC-WTC_000188002
Summary of OSHA air monitoring results for asbestos and noise at the World Trade Center site as of February 19, 2002.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000188003
Transmission electron microscopy analysis report for asbestos clearance at a site managed by NYCDDC, dated November 19, 2001.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188006
Water quality report for the World Trade Center sumping and dewatering project at MTA Job #01-4906 covering December 2001 to January 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188010 – NYC-WTC_000188011
Summary of OSHA air monitoring results for asbestos and noise at the World Trade Center site as of December 11, 2001.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000188012 – NYC-WTC_000188013
Laboratory analysis report for volatile compounds in water samples collected at the World Trade Center site, dated January 11, 2002.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000188014 – NYC-WTC_000188018
Summary of analytical results for soil and water samples collected at the World Trade Center site in January 2002.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000188019
Water quality report for the World Trade Center sumping and dewatering project at MTA Job #01-4906 covering data through February 4, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188020
Water quality report for the World Trade Center sumping and dewatering project at MTA Job #01-4906 covering data through February 26, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188021
Water quality report for the World Trade Center sumping and dewatering project at MTA Job #01-4906 covering data through March 11, 2002.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188022 – NYC-WTC_000188026
Summary of asbestos analysis results and regulatory guidance for cleanup standards.
Design and Construction, Dept. of · 5 pages
- added
NYC-WTC_000188027 – NYC-WTC_000188028
Laboratory report detailing asbestos detection in bulk and dust samples from a vehicle.
Sanitation, Dept. of · 2 pages
- added
NYC-WTC_000188029
Laboratory report from EMSL Analytical documenting asbestos analysis via TEM microscopy for sample HSS-01 received October 22, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000188030
Order form documenting the request for asbestos analysis via EPA microscopy methods.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000188031
Laboratory report from EMSL Analytical documenting asbestos analysis via TEM microscopy for sample HSS-01 received October 22, 2001.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000188032
Order form documenting the request for asbestos analysis via EPA microscopy methods.
Sanitation, Dept. of · 1 pages
- added
NYC-WTC_000188033
Report of transmission electron microscopy analysis for asbestos fibers in air samples.
Citywide Administrative Services, Dept. of · 1 pages
- added
NYC-WTC_000188034 – NYC-WTC_000188037
Laboratory report analyzing aggregate and concrete mix designs for World Trade Center construction.
Design and Construction, Dept. of · 4 pages
- added
NYC-WTC_000188038
Field inspection report documenting concrete compressive strength testing results.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188039 – NYC-WTC_000188040
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000188041 – NYC-WTC_000188043
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000188044
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188045
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188046
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188047
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188048 – NYC-WTC_000188050
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 3 pages
- added
NYC-WTC_000188051
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188052 – NYC-WTC_000188053
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000188054
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188055
Laboratory report detailing bulk specific gravity calculations for compacted asphalt mixture cores.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188056
Laboratory report documenting bulk specific gravity tests on compacted asphalt mixtures for the W.T.C. paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188057 – NYC-WTC_000188058
Laboratory report detailing bulk specific gravity measurements of asphalt cores collected for the W.T.C. paving project.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000188059
Laboratory report presenting bulk specific gravity data for compacted asphalt mixtures from the W.T.C. paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188060 – NYC-WTC_000188061
Laboratory report containing bulk specific gravity calculations for asphalt cores tested under the W.T.C. paving project.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000188062
Laboratory report recording bulk specific gravity values for compacted asphalt mixtures from the W.T.C. paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188063
Laboratory report documenting bulk specific gravity tests on compacted asphalt mixtures for the W.T.C. paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188064
Laboratory report presenting bulk specific gravity data for compacted asphalt mixtures from the W.T.C. paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188065 – NYC-WTC_000188066
Laboratory report detailing bulk specific gravity measurements of asphalt cores collected for the W.T.C. paving project.
Design and Construction, Dept. of · 2 pages
- added
NYC-WTC_000188067
Laboratory report recording bulk specific gravity values for compacted asphalt mixtures from the W.T.C. paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188068
Laboratory report documenting bulk specific gravity tests on compacted asphalt mixtures for the W.T.C. paving project.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188070
Laboratory report detailing lead concentration analysis of air samples collected at the WTC Emergency Management Center.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188071
Form documenting the chain of custody and field data for bulk samples collected during environmental monitoring activities.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188072
Laboratory form recording details and results for bulk asbestos analysis of samples collected at the site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188073
Laboratory form recording details and results for bulk asbestos analysis of samples collected at the site.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188074
Form documenting the chain of custody and field data for air monitoring samples collected during environmental activities.
Design and Construction, Dept. of · 1 pages
- added
NYC-WTC_000188075
Form documenting the chain of custody and field data for air monitoring samples collected during environmental activities.
Design and Construction, Dept. of · 1 pages